Feel like you're ouvre is stories of people acting in the world. the sort of stories of applied vision. your now sort of talking about the theoretical foundation. >> so had they just been academics, i wouldn't have written the book. but they were mixing it up with the israeli army constantly, on and off the battlefield constantly, they were like a lot of israeli academics at that time they felt the pressure to be useful and practical. so danny essentially did moneyball for the israeli army. he designed the algorithm to choose who would be an officer and who would be a regular soldier and drama...